Here is the full list of all 11 Incident Commander achievements.
Complete 1 Mission (Not Tutorial)
Complete all Missions (Not Tutorial)
Clean up spill in Chemical Spill Mission before the media arrives
Bring all students and parents in Bomb Threat to the Evacuation Point in 120 seconds or less
Complete the School Shooting Mission without any fatalities
Book all ten suspects in Escaped Inmates Mission in under twelve minutes
Completely extinguish and prevent the fires from raging out of control during the Wildfire Mission
Complete the Tornado Mission within 24 minutes and without inccuring any additional fatalities
Complete the Vehicle Accident Mission while towing at least 20 vehicles to the collection zones.
Complete the Jet Crash Mission while placing 30 or more perimeter cones to secure the site